mikemccand commented on issue #15734:
URL: https://github.com/apache/lucene/issues/15734#issuecomment-3934611284

   And +1 to add such a tool in luceneutil -- what a cool way to turn discrete 
choices into any continuous choice in between.
   
   Is there much noise in the process?  If you have enough index + query 
vectors, and run your conversion N times (each time a different random 
rotation), and test recall/performance on each, is the variance small?  Maybe 
for exact NN it's very small (and the the approx NN is just the normal HNSW 
variance..)?


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